FreeBSD vs OpenBSD: how they differ
FreeBSD and OpenBSD are often considered side by side. This page compares what each one is built on, how it looks, how software is installed, how updates arrive and what hardware it needs.
Key differences
- Foundation: both are built on BSD, so much of the help, software and troubleshooting advice for one applies to the other.
- Desktop: both use none by default.
- Software tools: FreeBSD uses pkg; OpenBSD uses pkg_add, so the commands you learn for one do not carry over.
- Releases: both follow numbered releases on a fixed schedule.
- Memory: about 1 GB for FreeBSD against about 1 GB for OpenBSD is a comfortable minimum for a desktop session.
Choose FreeBSD if
You are among the people running servers, firewalls or storage who like ZFS and a complete, unified base system.
Choose OpenBSD if
You are among the people who put security and clean code first.
Quick answers
- Which is easier for a beginner? Neither is aimed at first-time users. If this is your first Linux system, try a beginner-friendly distribution first.
- Which suits older hardware? They ask for a similar amount of memory.
- Can I try both? Yes. Start each from a live USB drive without installing, or put both on one drive with Ventoy.
Browse the FreeBSD USB drive or the OpenBSD USB drive. Learn more: what is FreeBSD and what is OpenBSD.
Software commands compared
- FreeBSD:
pkg install name - OpenBSD:
doas pkg_add name
Frequently asked questions
Which is better, FreeBSD or OpenBSD?
Neither is better for everyone. Choose by what you need: FreeBSD suits people running servers, firewalls or storage who like ZFS and a complete, unified base system, while OpenBSD suits people who put security and clean code first.
Can I install both FreeBSD and OpenBSD?
Yes. Install each one on its own partition, or try both from a live USB drive first. See dual booting for the idea, which also works between two Linux systems.
Which gets updates faster, FreeBSD or OpenBSD?
FreeBSD uses numbered releases on a fixed schedule; OpenBSD uses numbered releases on a fixed schedule.